[WP 34S] Enhanced Y register display: fractions, bugfixes etc.
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02-08-2014, 10:48 AM
Post: #24
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RE: [WP 34S] Enhanced Y register display: fractions, bugfixes etc.
(02-07-2014 03:20 AM)Bit Wrote: I assumed that non-const objects with static storage duration that have an initializer end up in the data section and will be copied to the volatile RAM every time the device wakes up from sleep.I've removed most of the standard C startup code to save flash space. Details are in the linker control file and the ARM assembly startup module. Volatile RAM is lost after each single keystroke. To save state between keystrokes you will need to put the information in non volatile RAM. As Pauli indicated, the LCD buffer is used to save some state while the calculator is idle but not turned off. The block is named StateWhileOn. I'm pretty sure it is exhausted. Marcus von Cube Wehrheim, Germany http://www.mvcsys.de http://wp34s.sf.net http://mvcsys.de/doc/basic-compare.html |
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